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한국인의 체지방 및 제지방 무게에 미치는 유전적 영향 분석

Other Titles
 Korean Familial Resemblance in Fat Mass and Fat Free Mass: Cardiovascular Genome Study 
Authors
 조은영  ;  박현영  ;  지선하  ;  장연수  ;  배수진  ;  이종호  ;  장양수 
Citation
 한국지질동맥경화학회지, Vol.11(4) : 537-547, 2001 
Journal Title
 한국지질동맥경화학회지 
ISSN
 1226-4393 
Issue Date
2001
Keywords
Obesity, Fat mass, Fat free mass, Heritability
Abstract
Objective: Obesity is a well-known risk factor for cardiovascular disease. The body composition, especially fat mass, is determined by complex phenotype in which multiple genetic and nongenetic factors are involved. Here we applied the regressive model to fat mass (FM) and fat free mass (FFM) to investigate the major gene hypothesis for obesity in Korean population. Methods: The sample consisted of 745 members of 135 families from Cardiovascular Genome Study. Proband was diagnosed as hypertension or coronary artery disease. FM and FFM were assessed by bioelectrical impedance TBF 105 analyzer. The data were adjusted for age, gender, height, BMI, drinking, exercise status prior to analysis. Body mass index (BMI) was calculated as a ratio of weight in kg to height in meters squared. Results: Adjusted factor FM, FFM, BMI showed a strong familial aggregation with estimated sibling correlations of 0.33, 0.29, 0.42 and parents-offspring correlations of 0.14, 0.24, 0.16, respectively. For FM, the most parsimonious model was a Mendelian codominant model and the major putative gene explained 30% of variance for adjusted FM. The estimated heritability of FM is 45%. For FFM, the segregation analysis did not provide any statistical evidence for a major gene effect. These results suggest that FFM is more affected by various environmental factors than FM. Conclusion: Our results demonstrated the major gene effect in determining the FM in Korean population. Linkage analyses using the genetic markers should be followed for identification of major genes.
Files in This Item:
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Appears in Collections:
4. Graduate School of Public Health (보건대학원) > Graduate School of Public Health (보건대학원) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Jang, Yang Soo(장양수) ORCID logo https://orcid.org/0000-0002-2169-3112
Jee, Sun Ha(지선하) ORCID logo https://orcid.org/0000-0001-9519-3068
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/141903
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